Logo

Programming-Idioms

History of Idiom 117 > diff from v37 to v38

Edit summary for version 38 by gpr:
[Cpp] Correct type
↷

Version 37

2017-06-09, 15:30:58

Version 38

2017-09-27, 12:36:41

Idiom #117 Get list size

Set n to the number of elements of list x.

Illustration

Idiom #117 Get list size

Set n to the number of elements of list x.

Illustration
Extra Keywords
length
Extra Keywords
length
Code 
int n = x.size();
Code 
size_t n = x.size();
Comments bubble
x is a std::vector.
Comments bubble
x is a std::vector.
Doc URL
http://www.cplusplus.com/reference/vector/vector/size/
Doc URL
http://www.cplusplus.com/reference/vector/vector/size/